Mystery Case Files: Huntsville™

Mystery Case Files is a video game series originally developed by the internal studios of Big Fish Games. Sequels were then developed by Elephant Games between 2013 and 2014 and Eipix Entertainment between 2015 and 2019. The newest installments have been developed by GrandMA Studios since 2020. The Mystery Case Files series is known for its hidden object puzzles where, in order to progress through a game, the player plays the role of a Master Detective and must find a certain number of items hidden somewhere on a painted scene. In 2007, Big Fish Games estimated that "100 million people have at least sampled trial versions" of the Mystery Case Files games since the initial launch of Mystery Case Files: Huntsville. The latest installment in the series, Mystery Case Files: House That Love Built, was released on November 26, 2025, and is the 28th game in the series.